Coscinodiscus

many, see text Coscinodiscus is a genus of centric diatoms in the family Coscinodiscaceae.

It is the type genus of its family.

There are over 200 species of Coscinodiscus.

[1] Coscinodiscus argus Ehrenberg 1839 is the type species of this genus.

[2] , Names brought to synonymy

Views of the centric diatom Coscinodiscus wailesii
Light micrographs of a living cell in face view (a) and side view (b); many small discoid chloroplasts are visible. FESEM micrographs of a cleaned single valve, inner view (c) and outer view of a complete theca (d). [ 3 ]
Scale bars: 50 μm.